C++ (Cpp) fillPictureParam示例

示例#1

文件： vaapidecoder_vp8.cpp 项目： xuguangxin/libyami_bak

Decode_Status VaapiDecoderVP8::decodePicture()
{
    Decode_Status status = DECODE_SUCCESS;

    if (!allocNewPicture())
        return DECODE_FAIL;

    if (!ensureQuantMatrix(m_currentPicture)) {
        ERROR("failed to reset quantizer matrix");
        return DECODE_FAIL;
    }

    if (!ensureProbabilityTable(m_currentPicture)) {
        ERROR("failed to reset probability table");
        return DECODE_FAIL;
    }

    if (!fillPictureParam(m_currentPicture)) {
        ERROR("failed to fill picture parameters");
        return DECODE_FAIL;
    }

    VaapiSliceVP8 *slice;
    slice = new VaapiSliceVP8(m_VADisplay, m_VAContext,
#if __PLATFORM_BYT__
                              // PSB requires slice_data_offset normalize to 0 and macroblock_offset normalized to [0,7]
                              m_frameHdr.rangedecoder_state.buffer,
                              m_frameSize -
                              (m_frameHdr.rangedecoder_state.buffer -
                               m_buffer));
#else
                              m_buffer, m_frameSize);
#endif
    m_currentPicture->addSlice(slice);
    if (!fillSliceParam(slice)) {
        ERROR("failed to fill slice parameters");
        return DECODE_FAIL;
    }

    if (!m_currentPicture->decodePicture())
        return DECODE_FAIL;

    DEBUG("VaapiDecoderVP8::decodePicture success");
    return status;
}

示例#2

文件： vaapidecoder_vp8.cpp 项目： TangXinT/libyami

Decode_Status VaapiDecoderVP8::decodePicture()
{
    Decode_Status status = DECODE_SUCCESS;

    if (!allocNewPicture())
        return DECODE_FAIL;

    if (!ensureQuantMatrix(m_currentPicture)) {
        ERROR("failed to reset quantizer matrix");
        return DECODE_FAIL;
    }

    if (!ensureProbabilityTable(m_currentPicture)) {
        ERROR("failed to reset probability table");
        return DECODE_FAIL;
    }

    if (!fillPictureParam(m_currentPicture)) {
        ERROR("failed to fill picture parameters");
        return DECODE_FAIL;
    }

    VASliceParameterBufferVP8* sliceParam = NULL;
    const void* sliceData = m_buffer;;
    uint32_t sliceSize = m_frameSize;

#if __PSB_VP8_INTERFACE_WORK_AROUND__
    sliceData = m_frameHdr.rangedecoder_state.buffer,
    sliceSize = m_frameSize - (m_frameHdr.rangedecoder_state.buffer - m_buffer);
#endif


    if (!m_currentPicture->newSlice(sliceParam, sliceData, sliceSize))
        return DECODE_FAIL;

    if (!fillSliceParam(sliceParam))
        return DECODE_FAIL;
    if (!m_currentPicture->decode())
        return DECODE_FAIL;

    DEBUG("VaapiDecoderVP8::decodePicture success");
    return status;
}

示例#3

文件： vaapidecoder_vp8.cpp 项目： 01org/libyami

Decode_Status VaapiDecoderVP8::decodePicture()
{
    Decode_Status status = DECODE_SUCCESS;

    if (!allocNewPicture())
        return DECODE_FAIL;

    if (!ensureQuantMatrix(m_currentPicture)) {
        ERROR("failed to reset quantizer matrix");
        return DECODE_FAIL;
    }

    if (!ensureProbabilityTable(m_currentPicture)) {
        ERROR("failed to reset probability table");
        return DECODE_FAIL;
    }

    if (!fillPictureParam(m_currentPicture)) {
        ERROR("failed to fill picture parameters");
        return DECODE_FAIL;
    }

    VASliceParameterBufferVP8* sliceParam = NULL;
    const void* sliceData = m_buffer + m_frameHdr.data_chunk_size;
    uint32_t sliceSize = m_frameSize - m_frameHdr.data_chunk_size;

    if (!m_currentPicture->newSlice(sliceParam, sliceData, sliceSize))
        return DECODE_FAIL;

    if (!fillSliceParam(sliceParam))
        return DECODE_FAIL;
    if (!m_currentPicture->decode())
        return DECODE_FAIL;

    DEBUG("VaapiDecoderVP8::decodePicture success");
    return status;
}